netdev - Re: [PATCH 3/3] pkt_sched: restore multiqueue prio scheduler

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Date:	Sat, 23 Aug 2008 10:47:15 +0200
From:	Jarek Poplawski <jarkao2@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	hadi@...erus.ca, jeffrey.t.kirsher@...el.com, jeff@...zik.org,
	netdev@...r.kernel.org, alexander.h.duyck@...el.com
Subject: Re: [PATCH 3/3] pkt_sched: restore multiqueue prio scheduler

On Fri, Aug 22, 2008 at 05:33:48PM -0700, David Miller wrote:
...
> If we want queue selection in the packet scheduler, let's implement
> it, but let's do so properly using classifiers and TC actions or a
> ematch modules that can select the queue.
> 
> Then people can implement whatever policy they want, in completely
> generic ways, and the kernel simply doesn't care.
> 
> The way this code worked was completely special purpose and ignored
> the host of facilities and infrastructure we have for doing things
> like this.

Alas I can't get your point here. prio is sched + classifier 2 in 1,
and if a small change in this is enough for somebody who really uses
this, and there seem to be noone interested in doing this better or
harmed with this, why bother with actions or other classifiers? Maybe
this prio method is less generic, but it's quite simple and there is
some infrastructure around this.

Jarek P.
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